Improvement in sand-paper rollers for buffing shoe-soles



J. B. JOHNSON. Sand-Paper Rollers for Bu-ffing Shoe-Soles.

No. 197,860. i Patented Dec. 4,1877.

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Zv'ngo-gg v Jofreia Jnan N-FETEES, PHOTO-UTHOGRPHER, WASHINGTON, D C.

UNITED STATESPATENT OEEicE.

JOSEPH B. JOHNSON, OE LYNN, MASSACHUSETTS.

, IMPROVEMENT lN SAND-PAPER ROLLERS FOR BUFFINGSHOE-SOLES.

Specification forming part of I-.etters Fatent No. 197,860, datedDecember 4, 1877; application filed July l0, 1877.

To all 'whom 'it 'may concern:

Be it known that I, JOSEPH B. JOHNSON, of Lynn, of the county of Essexand State of Massachusetts, have invented a new and useful Improvementin Cylinders' or Rollers for Buffing Soles; and do hereby declare thesame to be described in the following specication, and represented inthe accompanying drawings, of which- Figure 1 is a longitudinal section,and Fig. 2 a transverse section, of one of my improved bufng rollers orcylinders.

My invention is to effect the securing of the sand or emery papercovering upon the cushioned body of the roller. Y

In the drawings, A denotes the roller-body,

covered by a cushion, B, of felt. Within the body and cover there isarranged diametrically a series of slide-rods, C C, to each of whichthere is a spring, D7 for forcing it upward. Each rod has, at its upperend, a thin and iiat head, a, and the part br of the rod which is nextbelow such head is shaped as shown in transverse section in Fig. 3--thatis, it is knife-edged both in front and rear. The portion of the rodwhich goes through the shaft E of the roller and extends below such hasa male screw, c, cut upon it to receive a nut, d.

Behind the nuts there is arranged a slider, F, which should be soapplied to the roller-body as to be capable of being moved therein lengthwise thereof. This slider carries or has fixed to it a cam ortrapezoidal shaped projection, G, for each of the rods C. On moving theslider these cams may be forced in succession over andA against theupper surfaces of the nuts, so as to draw and hold down the rods. Thecams I so arrange that the first one may take on the next adjacent nutbefore the second one may reach its next adjacent nut. This enables thesand-paper covering H to be secured in place by one of the heads abefore the other may be brought down upon it.

In order to apply and iix the abrasive cover to the felt cushion, theformer should be of sufficient size to go entirely around the latter,the cover having one end to overlap the other a short distance. Previousto applying the cover to the body the slider F shouldbe moved back farenough to allow the several springs D D to force up the rods C C untiltheir nuts may abut against the shaft. This having been done, theabrasive cover is to have one end forced against the knife-edges, so asto cause them to cutinto it a short distance, after which the cover isto be wound about or made to tightly encompass the felt cover, the otherend of the abrasive cover being forced against the opposite knife-edgesso as to cause them to cut into it sufficiently for it to extenduniderneath the heads a a, and, if desirable, lap a short distance onthe part previously placedthereunder.

Having thus proceeded, the rst of thc heads should be pressed downclosely upon the abrasive cover, and the sliderF should be moved so asto cause the said head to be held in place, after which the next headshould be pressed down, and the slider should be still farther moved, soas to cause both heads to be drawn down iirmly upon the cover, so as tohold it in position. When the abrasive cover may require to be removedfrom the felt covering, the slider F should be moved baclc ward, so asto enable the springs to force up the rods7 so as to carry their headsoif the cover.

The nut and screw of each rod C enables the head of such rod to beadjusted to its proper distance from the shaft. lBy taking hold of thehead and turning it, the rod may be screwed more or less into the nut,which, by having one side in contact, or nearly so, with the slider,will be prevented from revolving.

It will be evident that, in the place of the screws and nuts, the rodsmay be provided with fixed or stationary shoulders for the cams of theslider to work against; but such would not be so advantageous, and wouldnot admit of any adjustment, as described, of the heads of the rods. Thenuts, independently of the screws, represent such shoulders.

My present invention differs materially from that described andrepresented in the United States Patent No. 167,905, granted to me onSeptember 21., 1875, in which grooved heads and a bar, provided withhooks, are 4repreresented as applied to a roller and its shaft, tooperate with separate eyed clamps.

I claim, in the bufing-cylinder, as my invention, as follows:

1. The slider F and its cams G G and the shouldered and headed rods (l,combined and arranged With the body and felt cover of thebuffing-roller, as set forth.

2. The combination of the slider F and its cams G G With the shoulderedvand headed rods O and their springs D D, all being arranged in andapplied to the roller-body and its felt covering, substantially as shownand described.

3. The combination ofthe slider F and its cams G G with tlie'headed rodsO C, provided with screws c and nuts d, all being arranged in the body,and with respect to the felt covering` thereof, and to operatesubstantially as set forth.

4. The headed slide-rods G, provided with knife-edges b, or so .made ast0 out into the abrasive cover, as described, While being applied tothem, as specified.

JOSEPH B. JOHNSON. Witnesses:

R. H. EDDY, J oHN R. SNOW.

